chatroomclient.java

简单的聊天程序

package ChatRoom;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.net.Socket;
import java.util.Date;

import javax.swing.JFrame;
import javax.swing.JOptionPane;
/*
 * ChatRoomClient.java
 *
 * Created on 2008年7月30日, 下午10:46
 */
public class ChatRoomClient extends javax.swing.JFrame implements ActionListener{
    
    /** Creates new form ChatRoomClient */
    public ChatRoomClient() {
        initComponents();
    }
    
    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    // <editor-fold defaultstate="collapsed" desc=" 生成的代码 ">                          
    private void initComponents() {
        jPanel1 = new javax.swing.JPanel();
        jScrollPane1 = new javax.swing.JScrollPane();
        jtaall = new javax.swing.JTextArea();
        jPanel2 = new javax.swing.JPanel();
        jScrollPane2 = new javax.swing.JScrollPane();
        jtasend = new javax.swing.JTextArea();
        sendjb = new javax.swing.JButton();
        closejb = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        jPanel1.setBorder(javax.swing.BorderFactory.createEtchedBorder());
        jtaall.setColumns(20);
        jtaall.setFont(new java.awt.Font("Dialog", 1, 14));
        jtaall.setRows(5);
        jScrollPane1.setViewportView(jtaall);

        javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 619, Short.MAX_VALUE)
                .addContainerGap())
        );
        jPanel1Layout.setVerticalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 243, Short.MAX_VALUE)
                .addContainerGap())
        );

        jPanel2.setBorder(javax.swing.BorderFactory.createEtchedBorder());
        jtasend.setColumns(20);
        jtasend.setFont(new java.awt.Font("Dialog", 1, 14));
        jtasend.setRows(5);
        jScrollPane2.setViewportView(jtasend);

        sendjb.setFont(new java.awt.Font("Dialog", 3, 18));
        sendjb.setText("\u53d1\u9001");

        closejb.setFont(new java.awt.Font("Dialog", 3, 18));
        closejb.setText("\u5173\u95ed");

        javax.swing.GroupLayout jPanel2Layout = new javax.swing.GroupLayout(jPanel2);
        jPanel2.setLayout(jPanel2Layout);
        jPanel2Layout.setHorizontalGroup(
            jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel2Layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 487, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(15, 15, 15)
                .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                    .addComponent(closejb, javax.swing.GroupLayout.DEFAULT_SIZE, 117, Short.MAX_VALUE)
                    .addComponent(sendjb, javax.swing.GroupLayout.DEFAULT_SIZE, 117, Short.MAX_VALUE))
                .addContainerGap())
        );
        jPanel2Layout.setVerticalGroup(
            jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel2Layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                    .addComponent(jScrollPane2, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, 106, Short.MAX_VALUE)
                    .addGroup(javax.swing.GroupLayout.Alignment.LEADING, jPanel2Layout.createSequentialGroup()
                        .addComponent(closejb, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(sendjb, javax.swing.GroupLayout.PREFERRED_SIZE, 44, javax.swing.GroupLayout.PREFERRED_SIZE)))
                .addContainerGap())
        );

        jPanel2Layout.linkSize(javax.swing.SwingConstants.VERTICAL, new java.awt.Component[] {closejb, sendjb});

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                    .addComponent(jPanel2, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                    .addComponent(jPanel1, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                .addContainerGap())
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addComponent(jPanel2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap())
        );
        pack();
    }// </editor-fold>                        
    private void init(){
    	jtaall.setEditable(false);
    	do{
	    	String str=JOptionPane.showInputDialog(this,"请输入name:主机IP:port");
	    	if(str!=null){
		    	String[] temp=str.split(":");
		    		try {
		    			name=temp[0];
					s=new Socket(temp[1],Integer.parseInt(temp[2]));
				} catch (Exception e) {
					JOptionPane.showMessageDialog(this, "主机名不存在！请重新输入！");
					e.printStackTrace();
				}
	    	}else System.exit(0);
    	}while(s==null);
    	new ReadMessageThread().start();
    	
    }
    private void sendMessage(String str){
    	ObjectOutputStream oos=null;
    	try {
		if(str.equals("")){
			JOptionPane.showMessageDialog(this, "不能发送空信息!");
			return;
		}
		Date d=new Date();
		str=name+" : ("+d.toString()+")\n"+str+"\n ";
		oos=new ObjectOutputStream(s.getOutputStream());
		oos.writeObject(str);
		oos.flush();
		if(str.indexOf("quit")!=-1){
			System.exit(0);
		}
		jtasend.setText("");
	} catch (IOException e) {
		e.printStackTrace();
	}
    }
    private void action(){
    	sendjb.addActionListener(this);
    	closejb.addActionListener(this);
    	this.addWindowListener(new WindowAdapter(){
				@Override
				public void windowClosing(WindowEvent e) {
					JFrame jf=new JFrame();
					jf.setLocation(400, 300);
					jf.setVisible(true);
					
					int i=JOptionPane.showConfirmDialog(jf, "是否退出?");
					if(i==JOptionPane.YES_OPTION){
						sendMessage("quit");
						System.exit(0);
					}
				}
    	});
    	jtasend.addKeyListener(new KeyAdapter(){

			@Override
			public void keyPressed(KeyEvent e) {
				if(e.getKeyCode()==KeyEvent.VK_ENTER&&e.isControlDown()==true)
					sendMessage(jtasend.getText());
			}
    		
    	});
    }
    
	
	public void actionPerformed(ActionEvent e) {
		if(e.getSource()==sendjb){
			sendMessage(jtasend.getText());
		}else if(e.getSource()==closejb){
			sendMessage("quit");
			System.exit(0);
		}
	}

	/**
     * @param args the command line arguments
     */
    public void showme(){
    	init();
    	action();
    	sendMessage(name+"上线了!");
    	this.setVisible(true);
    	this.setLocation(300, 300);
    	this.setResizable(false);
    	this.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
    }
    class ReadMessageThread extends Thread{
		@Override
		public void run() {
			ObjectInputStream ois=null;
			String str=null;
				try {
					while(true){
						ois=new ObjectInputStream(s.getInputStream());
						str=(String)ois.readObject();
						jtaall.append(str+"\n");
						jtaall.moveCaretPosition(jtaall.getText().length());
					}
				} catch (Exception e) {
					jtaall.append("与服务器断开!");
					jtaall.getText();
					e.printStackTrace();
				}
		}
    	
    }
    public static void main(String args[]) {
    	new ChatRoomClient().showme();
    }
    
    // 变量声明 - 不进行修改                     
    private javax.swing.JButton closejb;
    private javax.swing.JPanel jPanel1;
    private javax.swing.JPanel jPanel2;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JScrollPane jScrollPane2;
    private javax.swing.JTextArea jtaall;
    private javax.swing.JTextArea jtasend;
    private javax.swing.JButton sendjb;
    private Socket s;
    private String name;
    // 变量声明结束                   
    
}